gmdate.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 5c951013ca04161992efed8b86fb40f55669958e Maintainer: dallas Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.gmdate" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>gmdate</refname>
  <refpurpose>格式化 GMT/UTC 日期／时间</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>gmdate</methodname>
   <methodparam><type>string</type><parameter>format</parameter></methodparam>
   <methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>timestamp</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <para>
   同 <function>date</function> 函数一样，只是返回的时间是格林威治标准时（GMT）。
  </para>
 </refsect1> 

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>format</parameter></term>
     <listitem>
      <para>
       输出日期 <type>string</type> 的格式。参阅 <function>date</function> 函数格式化选项。
      </para>
     </listitem>
    </varlistentry>
    
    &date.timestamp.description;
   
   </variablelist>
  </para>
 </refsect1>   

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回格式化的日期字符串。
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.0.0</entry>
       <entry>
        现在 <parameter>timestamp</parameter> 允许为 null。
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>gmdate</function> 示例</title>
    <para>
     在芬兰（GMT +0200）运行时，下面的第一行打印“Jan 01
     1998 00:00:00”，第二行打印“Dec 31 1997 22:00:00”。
    </para>
    <programlisting role="php">
<![CDATA[
<?php
echo date("M d Y H:i:s", mktime(0, 0, 0, 1, 1, 1998));
echo gmdate("M d Y H:i:s", mktime(0, 0, 0, 1, 1, 1998));
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>DateTimeImmutable::__construct</methodname></member>
    <member><methodname>DateTimeInterface::format</methodname></member>
    <member><function>date</function></member>
    <member><function>mktime</function></member>
    <member><function>gmmktime</function></member>
    <member><methodname>IntlDateFormatter::format</methodname></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->